Making The Century

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?




Similar Riddles

I know a number which is spelt in alphabetical order.
Do you?

Asked by Neha on 05 Aug 2026


Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

Asked by Neha on 18 Mar 2024

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Asked by Neha on 23 Mar 2025


Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

Asked by Neha on 19 Aug 2021

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Asked by Neha on 01 May 2025

You can see it everyday, But cannot touch it at will. What is it?

Asked by Neha on 17 May 2021


A car meter reading shows 72927 miles a palindromic number.
what is the minimum number of miles you would need to travel to see another palindromic number on the car meter reading?

Asked by Neha on 29 Mar 2026

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Asked by Neha on 31 Dec 2024

Who is that with a neck and no head, two arms and no hands? What is it?

Asked by Neha on 27 Mar 2022


Can you replace the question mark with the correct number?

Fill in the Question Marked Space

Asked by Neha on 09 Mar 2024

Hot Articles

Amazing Facts

Crossword puzzles

In the 1920s, people feared that crossword puzzles would contribute to illiteracy.